Finding the Fourth Proportional to 151,551.72, 227,393.14 and 81,349.08
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Solution
The fourth proportional to 151,551.72, 227,393.14 and 81,349.08 is: 122,058.81
Step by Step Solution
- Step 1: Write the proportion equation
151,551.72 : 227,393.14 = 81,349.08 : x - Step 2: Convert to fraction form
151,551.72/227,393.14 = 81,349.08/x - Step 3: Cross multiply
151,551.72x = 227,393.14 × 81,349.08 - Step 4: Simplify right side
151,551.72x = 18,498,222,737.31 - Step 5: Solve for x
x = 18,498,222,737.31/151,551.72 - Step 6: Final answer
x = 122,058.81
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.